code: def test_validate_specs(self):
      env = test_envs.EpisodeCountingEnv(steps_per_episode=15)
      env_utils.validate_py_environment(env, episodes=10)
  
file_path: agents/tf_agents/environments/test_envs_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tf_agents.environments import test_envs
  from tf_agents.environments import utils
  from tf_agents.utils import test_utils
label_desc: Use image node_id 2 for calling the EpisodeCountingEnvTest obj's underlying member method code with example usage: obj.test_validate_specs() without return types